polar lights是什么意思 polar lights怎么读
polar lights的用法和样例
用作名词 (n.)
- The northern lights, or aurora borealis, are powered by energy from outer space.
北极光，或者北边的极光，它的能量来自于外太空。 - An inexplicable new broad region of auroral light has been photographed at Saturn's polar cap.
一种无法解释的大范围新型极光出现在土星的极盖地区，被摄像机拍摄下来。
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